14000728667 has 4 divisors (see below), whose sum is σ = 14342209896. Its totient is φ = 13659247440.

The previous prime is 14000728661. The next prime is 14000728691. The reversal of 14000728667 is 76682700041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14000728667 - 2⁶ = 14000728603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 341481187 = 14000728667 / (1 + 4 + 0 + 0 + 0 + 7 + 2 + 8 + 6 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14000728661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170740553 + ... + 170740634.

It is an arithmetic number, because the mean of its divisors is an integer number (3585552474).

Almost surely, 2^14000728667 is an apocalyptic number.

14000728667 is a deficient number, since it is larger than the sum of its proper divisors (341481229).

14000728667 is an equidigital number, since it uses as much as digits as its factorization.

14000728667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341481228.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 14000728667 in words is "fourteen billion, seven hundred twenty-eight thousand, six hundred sixty-seven".